GMC S15 Jimmy MPG by year — every rating on record
The GMC S15 Jimmy has a combined EPA fuel economy rating for 7 model years, from 1984 to 1990. Across those years its best rated version returned 23 mpg (1984) and its thirstiest returned 16 mpg (1987). The EPA record holds 50 configurations for this nameplate, most recently a Special Purpose Vehicle 2WD / Special Purpose Vehicles.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 1984 | 11 | 23 mpg | 18 mpg | #3 of 14 (85th pct) | 2-Wheel Drive | Regular | Special Purpose Vehicle 2WD |
| 1985 | 10 | 22 mpg | 18 mpg | #3 of 16 (87th pct) | Rear-Wheel Drive | Regular | Special Purpose Vehicle 2WD |
| 1986 | 6 | 22 mpg | 17 mpg | #5 of 16 (73th pct) | Rear-Wheel Drive | Regular | Special Purpose Vehicle 2WD |
| 1987 | 8 | 21 mpg | 16 mpg | #3 of 15 (86th pct) | Rear-Wheel Drive | Regular | Special Purpose Vehicle 2WD |
| 1988 | 6 | 22 mpg | 18 mpg | #2 of 18 (94th pct) | Rear-Wheel Drive | Regular | Special Purpose Vehicle 2WD |
| 1989 | 5 | 19 mpg | 17 mpg | #5 of 20 (79th pct) | Rear-Wheel Drive, 4-Wheel or All-Wheel Drive | Regular | Special Purpose Vehicle 2WD, Special Purpose Vehicles |
| 1990 | 4 | 18 mpg | 16 mpg | #12 of 25 (54th pct) | Rear-Wheel Drive, 4-Wheel or All-Wheel Drive | Regular | Special Purpose Vehicle 2WD, Special Purpose Vehicles |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The GMC S15 Jimmy placed highest in 1988 at #2 of 18, and lowest in 1990 at #12 of 25. It spent 7 of its 7 ranked years in the top half of its class.
Every configuration on record
All 50 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 1990 | 4.3L 6-cyl 4-Wheel or All-Wheel Drive Manual 5-spd Regular | (FFS) | 15 | 18 | 16 | 718.8 | 18.6 | $3,900 | 555.4375 | n/a |
| 1990 | 4.3L 6-cyl 4-Wheel or All-Wheel Drive Automatic 4-spd Regular | (FFS) | 15 | 20 | 17 | 676.5 | 17.5 | $3,650 | 522.7647058823529 | n/a |
| 1990 | 4.3L 6-cyl Rear-Wheel Drive Automatic 4-spd Regular | (FFS) | 16 | 22 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1990 | 4.3L 6-cyl Rear-Wheel Drive Manual 5-spd Regular | (FFS) | 15 | 22 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1989 | 4.3L 6-cyl 4-Wheel or All-Wheel Drive Automatic 4-spd Regular | (FFS) | 15 | 20 | 17 | 676.5 | 17.5 | $3,650 | 522.7647058823529 | n/a |
| 1989 | 4.3L 6-cyl 4-Wheel or All-Wheel Drive Automatic 4-spd Regular | (FFS) | 15 | 20 | 17 | 676.5 | 17.5 | $3,650 | 522.7647058823529 | n/a |
| 1989 | 4.3L 6-cyl Rear-Wheel Drive Automatic 4-spd Regular | (FFS) | 16 | 22 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1989 | 2.8L 6-cyl 4-Wheel or All-Wheel Drive Manual 5-spd Regular | (FFS) | 15 | 22 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1989 | 2.8L 6-cyl Rear-Wheel Drive Manual 5-spd Regular | (FFS) | 17 | 24 | 19 | 605.3 | 15.7 | $3,300 | 467.7368421052632 | n/a |
| 1988 | 2.8L 6-cyl Rear-Wheel Drive Automatic 4-spd Regular | (FFS) | 15 | 22 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1988 | 2.8L 6-cyl Rear-Wheel Drive Manual 4-spd Regular | (FFS) | 16 | 21 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1988 | 4.3L 6-cyl Rear-Wheel Drive Automatic 4-spd Regular | (FFS) | 16 | 22 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1988 | 2.8L 6-cyl Rear-Wheel Drive Manual 5-spd Regular | (FFS) | 16 | 23 | 19 | 605.3 | 15.7 | $3,300 | 467.7368421052632 | n/a |
| 1988 | 2.5L 4-cyl Rear-Wheel Drive Automatic 4-spd Regular | (FFS) | 18 | 23 | 20 | 575.0 | 14.9 | $3,100 | 444.35 | n/a |
| 1988 | 2.5L 4-cyl Rear-Wheel Drive Manual 5-spd Regular | (FFS) | 19 | 26 | 22 | 522.7 | 13.5 | $2,850 | 403.95454545454544 | n/a |
| 1987 | 2.8L 6-cyl Rear-Wheel Drive Automatic 3-spd Regular | (FFS) | 15 | 17 | 16 | 718.8 | 18.6 | $3,900 | 555.4375 | n/a |
| 1987 | 2.8L 6-cyl Rear-Wheel Drive Automatic 4-spd Regular | (FFS) | 15 | 21 | 17 | 676.5 | 17.5 | $3,650 | 522.7647058823529 | n/a |
| 1987 | 2.8L 6-cyl Rear-Wheel Drive Manual 4-spd Regular | (FFS) | 15 | 20 | 17 | 676.5 | 17.5 | $3,650 | 522.7647058823529 | n/a |
| 1987 | 2.8L 6-cyl Rear-Wheel Drive Manual 5-spd Regular | (FFS) | 15 | 22 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1987 | 2.5L 4-cyl Rear-Wheel Drive Automatic 3-spd Regular | (FFS) | 17 | 21 | 19 | 605.3 | 15.7 | $3,300 | 467.7368421052632 | n/a |
| 1987 | 2.5L 4-cyl Rear-Wheel Drive Automatic 4-spd Regular | (FFS) | 17 | 22 | 19 | 605.3 | 15.7 | $3,300 | 467.7368421052632 | n/a |
| 1987 | 2.5L 4-cyl Rear-Wheel Drive Manual 4-spd Regular | (FFS) | 18 | 23 | 20 | 575.0 | 14.9 | $3,100 | 444.35 | n/a |
| 1987 | 2.5L 4-cyl Rear-Wheel Drive Manual 5-spd Regular | (FFS) | 19 | 24 | 21 | 547.6 | 14.2 | $2,950 | 423.1904761904762 | n/a |
| 1986 | 2.8L 6-cyl Rear-Wheel Drive Automatic 4-spd Regular | (FFS) | 15 | 19 | 17 | 676.5 | 17.5 | $3,650 | 522.7647058823529 | n/a |
| 1986 | 2.8L 6-cyl Rear-Wheel Drive Manual 4-spd Regular | (FFS) | 15 | 20 | 17 | 676.5 | 17.5 | $3,650 | 522.7647058823529 | n/a |
| 1986 | 2.8L 6-cyl Rear-Wheel Drive Manual 5-spd Regular | (FFS) | 15 | 21 | 17 | 676.5 | 17.5 | $3,650 | 522.7647058823529 | n/a |
| 1986 | 2.5L 4-cyl Rear-Wheel Drive Automatic 4-spd Regular | (FFS) | 18 | 24 | 20 | 575.0 | 14.9 | $3,100 | 444.35 | n/a |
| 1986 | 2.5L 4-cyl Rear-Wheel Drive Manual 4-spd Regular | (FFS) | 18 | 24 | 20 | 575.0 | 14.9 | $3,100 | 444.35 | n/a |
| 1986 | 2.5L 4-cyl Rear-Wheel Drive Manual 5-spd Regular | (FFS) | 20 | 26 | 22 | 522.7 | 13.5 | $2,850 | 403.95454545454544 | n/a |
| 1985 | 2.8L 6-cyl Rear-Wheel Drive Automatic 4-spd Regular | 2.8L 6-cyl | 15 | 23 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1985 | 2.8L 6-cyl Rear-Wheel Drive Manual 5-spd Regular | 2.8L 6-cyl | 15 | 22 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1985 | 2.8L 6-cyl Rear-Wheel Drive Manual 4-spd Regular | 2.8L 6-cyl | 16 | 23 | 19 | 605.3 | 15.7 | $3,300 | 467.7368421052632 | n/a |
| 1985 | 2.8L 6-cyl Rear-Wheel Drive Automatic 4-spd Regular | (FFS) CA model | 17 | 23 | 19 | 605.3 | 15.7 | $3,300 | 467.7368421052632 | n/a |
| 1985 | 2.8L 6-cyl Rear-Wheel Drive Manual 4-spd Regular | (FFS) CA model | 17 | 23 | 19 | 605.3 | 15.7 | $3,300 | 467.7368421052632 | n/a |
| 1985 | 2.8L 6-cyl Rear-Wheel Drive Manual 5-spd Regular | (FFS) CA model | 16 | 23 | 19 | 605.3 | 15.7 | $3,300 | 467.7368421052632 | n/a |
| 1985 | 2.5L 4-cyl Rear-Wheel Drive Automatic 4-spd Regular | (FFS) | 18 | 24 | 20 | 575.0 | 14.9 | $3,100 | 444.35 | n/a |
| 1985 | 2.5L 4-cyl Rear-Wheel Drive Manual 4-spd Regular | (FFS) CA model | 19 | 22 | 20 | 575.0 | 14.9 | $3,100 | 444.35 | n/a |
| 1985 | 2.5L 4-cyl Rear-Wheel Drive Manual 4-spd Regular | (FFS) | 19 | 24 | 21 | 547.6 | 14.2 | $2,950 | 423.1904761904762 | n/a |
| 1985 | 2.5L 4-cyl Rear-Wheel Drive Manual 5-spd Regular | (FFS) | 19 | 26 | 22 | 522.7 | 13.5 | $2,850 | 403.95454545454544 | n/a |
| 1984 | 2.8L 6-cyl 2-Wheel Drive Automatic 4-spd Regular | 2.8L 6-cyl | 16 | 22 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1984 | 2.8L 6-cyl 2-Wheel Drive Manual 4-spd Regular | 2.8L 6-cyl | 16 | 22 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1984 | 2.8L 6-cyl 2-Wheel Drive Manual 5-spd Regular | 2.8L 6-cyl | 16 | 22 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1984 | 2.8L 6-cyl 2-Wheel Drive Manual 4-spd Regular | (FFS) CA model | 16 | 22 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1984 | 2.8L 6-cyl 2-Wheel Drive Manual 5-spd Regular | (FFS) CA model | 16 | 22 | 18 | 638.9 | 16.5 | $3,450 | 493.72222222222223 | n/a |
| 1984 | 2.8L 6-cyl 2-Wheel Drive Automatic 4-spd Regular | (FFS) CA model | 17 | 24 | 19 | 605.3 | 15.7 | $3,300 | 467.7368421052632 | n/a |
| 1984 | 2.0L 4-cyl 2-Wheel Drive Manual 4-spd Regular | 2.0L 4-cyl | 19 | 25 | 21 | 547.6 | 14.2 | $2,950 | 423.1904761904762 | n/a |
| 1984 | 2.0L 4-cyl 2-Wheel Drive Automatic 3-spd Regular | (FFS) CA model | 19 | 24 | 21 | 547.6 | 14.2 | $2,950 | 423.1904761904762 | n/a |
| 1984 | 2.0L 4-cyl 2-Wheel Drive Manual 5-spd Regular | 2.0L 4-cyl | 20 | 26 | 22 | 522.7 | 13.5 | $2,850 | 403.95454545454544 | n/a |
| 1984 | 2.0L 4-cyl 2-Wheel Drive Manual 4-spd Regular | (FFS) CA model | 20 | 26 | 22 | 522.7 | 13.5 | $2,850 | 403.95454545454544 | n/a |
| 1984 | 2.0L 4-cyl 2-Wheel Drive Manual 5-spd Regular | (FFS) CA model | 20 | 27 | 23 | 500.0 | 12.9 | $2,700 | 386.39130434782606 | n/a |
How the rating has moved between model years
Comparing the best-rated configuration of each year. 1 of 5 year-over-year steps improved the top rating.
| Change | Best combined | Delta | Gallons a year at the newer rating |
|---|---|---|---|
| 1984 → 1985 | 23 → 22 mpg | -1 mpg | 523 gal |
| 1986 → 1987 | 22 → 21 mpg | -1 mpg | 548 gal |
| 1987 → 1988 | 21 → 22 mpg | +1 mpg | 523 gal |
| 1988 → 1989 | 22 → 19 mpg | -3 mpg | 605 gal |
| 1989 → 1990 | 19 → 18 mpg | -1 mpg | 639 gal |
What S15 Jimmy fuel costs over a year
At the EPA's 11,500 miles a year, the 1990 GMC S15 Jimmy burns 639 to 719 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.
| Pump price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $1,917 | $2,156 | $240 |
| $3.50/gal | $2,236 | $2,516 | $280 |
| $4.00/gal | $2,556 | $2,875 | $319 |
EPA’s own estimate for the 1990 model year is $3,450 to $3,900 a year in fuel, or $6,000 more than the average new vehicle over five years.
How it compares with other Special Purpose Vehicle 2WD
Across the 93 nameplates EPA classifies as Special Purpose Vehicle 2WD, the median best combined rating is 22 mpg. At 18 mpg the GMC S15 Jimmy is 4 mpg below the median, which is worth about $407 a year at $3.50 a gallon.
- All Special Purpose Vehicle 2WD rankings — every nameplate in the class, best to worst.
Other GMC nameplates
Every GMC model compared → — all nameplates ranked by best combined rating, with what each one costs a year.